大约有 48,000 项符合查询结果(耗时:0.0504秒) [XML]

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How to remove auto focus/keyboard popup of a field when the screen shows up?

...above method inside onCreate().It prevent softKeyboard to show unless user select EditText by tapping or clicking. or simply add android:windowSoftInputMode="stateHidden" in Activity tag in Manifest.xml share | ...
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How do I change the data type for a column in MySQL?

...n type to another type, you can generate queries using a query like this: select distinct concat('alter table ', table_name, ' modify ', column_name, ' <new datatype> ', if(is_nu...
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How can I reliably determine the type of a variable that is declared using var at design time?

...o resolve the type. For instance: var items = myList.OfType<Foo>().Select(foo => foo.Bar); The return type is IEnumerable<Bar>, but resolving this required knowing: myList is of type that implements IEnumerable. There is an extension method OfType<T> that applies to IEnume...
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Modify table: How to change 'Allow Nulls' attribute from not null to allow null

... I wrote this so I could edit all tables and columns to null at once: select case when sc.max_length = '-1' and st.name in ('char','decimal','nvarchar','varchar') then 'alter table [' + so.name + '] alter column [' + sc.name + '] ' + st.name + '(MAX) NULL' when st.name in ('char','decimal','n...
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How to run a program without an operating system?

...her such weird keys after power-on until you get a boot menu where you can select to boot from the USB. It is often possible to configure the search order in those menus. For example, on my T430 I see the following. After turning on, this is when I have to press Enter to enter the boot menu: The...
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Error 1022 - Can't write; duplicate key in table

...ere the constraints are currently in use you can use the following query: SELECT `TABLE_SCHEMA`, `TABLE_NAME` FROM `information_schema`.`KEY_COLUMN_USAGE` WHERE `CONSTRAINT_NAME` IN ('iduser', 'idcategory'); share ...
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Some questions about Automatic Reference Counting in iOS5 SDK

... existing code, you can keep using it as is with the -fno-objc-arc you can selectively disable ARC on any file. If you want to disable ARC on MULTIPLE files: Select desired files at Target/Build Phases/Compile Sources in Xcode PRESS ENTER. (double click selects only one file) Type -fno-objc-arc...
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Why doesn't logcat show anything in my Android?

... No need restart eclipse > just select your emulator or device from DDMS – Mahesh Nov 22 '12 at 11:55 1 ...
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Why does Sql Server keep executing after raiserror when xact_abort is on?

... catch block will be executed on raiserror("message", 17, 1) begin catch select @ErrorNumber = ERROR_NUMBER(), @ErrorMessage = ERROR_MESSAGE(), @ErrorSeverity = ERROR_SEVERITY(), @ErrorState = ERROR_STATE(), @ErrorLine = ERROR_LINE(), @ErrorProcedure = ERROR_PROCEDURE(); inser...
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Where is Android Studio layout preview?

... Select MainActivity.java file from the left pane, as shown in the red colored rectangle. Left click the XML Tag icon as shown in the red colored circle. Select the "activity_main.xml(layout)" option shown highlighted in the b...